@article{PismaZhETF.8.22,
    title = {Laser Based on Boron Trichloride},
    author = {Karlov, N. V. and Konev, Yu. B. and Petrov, Yu. N. and Prokhorov, A. M. and Stel'makh, A. M.},
    journal = {Письма в ЖЭТФ},
    volume = {8},
    issue = {1},
    pages = {22},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25851.shtml},
}